Mulberry,
Florida. During cruise flight at 3,000 ft, 20 miles south of the
intended destination the pilot reported that smoke filled the
cockpit. About 1 minute later the engine seized. During the
attempted forced landing on a water filled phosphate pit, the aircraft
collided with an embankment short of the pit, nosed over and came to
rest inverted. Exam of the engine revealed that the number 4
cylinder piston was damaged circumferentially for undetermined
reasons. Also discovered vas the failure of number 5 cylinder
connecting rod. The engine was reportedly recently overhauled, but
the logbooks were inside the aircraft & were not recovered. 1
seriously injured, 1 minor injured. [NTSB ID No: MIA90LA187]